| Y/M/D | Description | Place |
|---|---|---|
| 1881/07/04 | Willard Glazier begins an exploration to travel the Mississippi from source to sea. | |
| 1881/09/00 | Ojibwe chief named Flat Mouth, has a guide named Chenowagesic lead Glazier beyond Lake Itasca through a marshy network of rushes to a lake that is the real source of the father of waters. | Itasca State Park, MN, Minnesota |
| 1881/11/00 | Glazier expedition arrives at the Gulf of Mexico. After publishing his findings, the Minnesota Historical Society accused him of being a quack explorer and charlatan adventurer. Glazier later confessed that he had not seen any streams feeding Elk Lake. | Mississippi River Delta, |
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